@misc{indiciae7fa70b1e34ad,
  title = {Error estimation and bias correction in phase-improvement calculations.},
  author = {K Cowtan},
  year = {1999},
  doi = {10.1107/s0907444999007416},
  url = {https://pubmed.ncbi.nlm.nih.gov/10489450/},
  note = {Source identifier: 10489450}
}